become of
US /bɪˈkʌm əv/
UK /bɪˈkʌm əv/

1.
acontecer com, ser de
to happen to someone or something
:
•
What will become of us if the company closes?
O que será de nós se a empresa fechar?
•
No one knows what became of the missing treasure.
Ninguém sabe o que aconteceu com o tesouro desaparecido.